Finding the Fourth Proportional to 2,016.02, 2,783.01 and 1,230.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,016.02 : 2,783.01 = 1,230.38 : x
2. Step 2: Convert to fraction form
   2,016.02/2,783.01 = 1,230.38/x
3. Step 3: Cross multiply
   2,016.02x = 2,783.01 × 1,230.38
4. Step 4: Simplify right side
   2,016.02x = 3,424,159.84
5. Step 5: Solve for x
   x = 3,424,159.84/2,016.02
6. Step 6: Final answer
   x = 1,698.48